Property Diligence

Altrincham (WA14) or Chorlton (M21): an area comparison

Chorlton has the lower recorded-sale median by £2,000. The cards below show how the two areas compare on prices, schools, green space, local profile and transport.

The short answer

Which has the lower district median?

Altrincham: £412,000. Chorlton: £410,000.

Chorlton is lower in this 24-month sample.

Which has the broader school register?

Altrincham: 17. Chorlton: 10 open establishments.

This is the size of each district's registered school base.

How does everyday access compare?

Bus nodes: WA14 148, M21 95. mapped green-space sites: WA14 79, M21 50.

These counts show the scale of each district's transport and outdoor offer.

The broad price gap is £2,000 across the 24-month samples. That gives Chorlton the lower starting point, while the remaining sections show where the two district profiles differ.

Altrincham has 17 registered schools, 79 mapped green-space sites and 148 bus nodes. Chorlton has 10, 50 and 95 respectively.

District prices

WA14 recorded 859 completed sales in the 24-month sample. The median was £412,000. The £541,900 average is higher because a small number of expensive sales can lift it.

M21 recorded 653 completed sales in the 24-month sample. The median was £410,000. The £441,489 average is higher because a small number of expensive sales can lift it.

WA14

Median recorded sale
£412,000
Average recorded sale
£541,900
Recorded sales
859 (24 months)
HM Land Registry Price Paid Data. local 2025-2026 bulk snapshot. Retrieved 2026-10-01.
How this was counted

Postcode district. non-deleted recorded sales in preceding 24 months.

M21

Median recorded sale
£410,000
Average recorded sale
£441,489
Recorded sales
653 (24 months)
HM Land Registry Price Paid Data. local 2025-2026 bulk snapshot. Retrieved 2026-10-01.
How this was counted

Postcode district. non-deleted recorded sales in preceding 24 months.

Crime and serious-crime share

Police.uk records 2,975 reports from 2018-07 to 2019-06. Violence and sexual offences, robbery, burglary and weapons-possession reports account for 1,121, or 37.7% of the total.

Police.uk records 3,059 reports from 2018-07 to 2019-06. Violence and sexual offences, robbery, burglary and weapons-possession reports account for 1,116, or 36.5% of the total.

WA14

Reported crime, 12 months
2,975
Selected report-category share
1,121 (37.7%)
data.police.uk historical street-level crime archive — Greater Manchester Police. 2018-07 to 2019-06; last complete 12-month GMP period before the July 2019 supply gap. Original download date not recorded.
How this was counted

Postcode district. Police.uk anonymised coordinates assigned to nearest Code-Point Open centroid; selected-category share is not an official severity rate.

M21

Reported crime, 12 months
3,059
Selected report-category share
1,116 (36.5%)
data.police.uk historical street-level crime archive — Greater Manchester Police. 2018-07 to 2019-06; last complete 12-month GMP period before the July 2019 supply gap. Original download date not recorded.
How this was counted

Postcode district. Police.uk anonymised coordinates assigned to nearest Code-Point Open centroid; selected-category share is not an official severity rate.

Local-area deprivation context

IMD is a Government local-area scale from 1 to 10: 1 is the poorer end, while 10 is the more well-off end. WA14 has a median of 9.0. 5.2% of mapped postcode units are in the poorer 1 to 3 band and 81.0% are in the more well-off 8 to 10 band.

IMD is a Government local-area scale from 1 to 10: 1 is the poorer end, while 10 is the more well-off end. M21 has a median of 6.0. 17.7% of mapped postcode units are in the poorer 1 to 3 band and 11.2% are in the more well-off 8 to 10 band.

WA14

Median IMD decile
9.0 / 10
Postcode units in deciles 1–3
5.2%
Postcode units in deciles 8–10
81.0%
MHCLG English Indices of Deprivation postcode download. 2025. Original download date not recorded.
How this was counted

Postcode district. distribution of official IMD25 postcode assignments; England only.

M21

Median IMD decile
6.0 / 10
Postcode units in deciles 1–3
17.7%
Postcode units in deciles 8–10
11.2%
MHCLG English Indices of Deprivation postcode download. 2025. Original download date not recorded.
How this was counted

Postcode district. distribution of official IMD25 postcode assignments; England only.

Schools

The register lists 17 open establishments in WA14. It is a useful picture of the local school base, across the phases shown in the card below.

The register lists 10 open establishments in M21. It is a useful picture of the local school base, across the phases shown in the card below.

WA14

Registered school sites
17 (16 plus: 1, Primary: 11, Secondary: 5)
DfE Get Information about Schools establishment register. 2026-08-02. Original download date not recorded.
How this was counted

Postcode district. open GIAS establishments grouped by registered postcode district.

M21

Registered school sites
10 (Primary: 7, Secondary: 3)
DfE Get Information about Schools establishment register. 2026-08-02. Original download date not recorded.
How this was counted

Postcode district. open GIAS establishments grouped by registered postcode district.

Green space and outdoor sport

OS maps 79 green-space or outdoor-sport sites covering 140.09 hectares, including 7 public parks or gardens. This gives the district a substantial mapped outdoor offer.

OS maps 50 green-space or outdoor-sport sites covering 184.87 hectares, including 6 public parks or gardens. This gives the district a substantial mapped outdoor offer.

WA14

Mapped OS green-space sites
79
Mapped site area
140.09 ha
Public parks or gardens
7
OS Open Greenspace. April 2026 programme-city tile manifest. Original download date not recorded.
How this was counted

Postcode district. OS Open Greenspace April 2026 site polygon geometric centroid assigned to nearest Code-Point Open postcode centroid.

M21

Mapped OS green-space sites
50
Mapped site area
184.87 ha
Public parks or gardens
6
OS Open Greenspace. April 2026 programme-city tile manifest. Original download date not recorded.
How this was counted

Postcode district. OS Open Greenspace April 2026 site polygon geometric centroid assigned to nearest Code-Point Open postcode centroid.

Flood context

The source covers 1,301 postcode units. 129 have high-risk surrounding addresses and 238 have medium-risk surroundings.

The source covers 738 postcode units. 37 have high-risk surrounding addresses and 103 have medium-risk surroundings.

WA14

Postcode units in source
1,301
Units with high-risk surroundings
129
Units with medium-risk surroundings
238
Environment Agency Flood risk: postcode search tool data. 2026-07-10. Original download date not recorded.
How this was counted

Postcode district. sum of Environment Agency postcode source counts by outward postcode; counts concern areas around addresses, not a named property.

M21

Postcode units in source
738
Units with high-risk surroundings
37
Units with medium-risk surroundings
103
Environment Agency Flood risk: postcode search tool data. 2026-07-10. Original download date not recorded.
How this was counted

Postcode district. sum of Environment Agency postcode source counts by outward postcode; counts concern areas around addresses, not a named property.

Air quality

The 2024 modelled annual-mean NO₂ median is 10.5 µg/m³. 51.8% of mapped units exceed the WHO 10 µg/m³ guideline and 0.0% meet or exceed 40 µg/m³.

The 2024 modelled annual-mean NO₂ median is 13.7 µg/m³. 100.0% of mapped units exceed the WHO 10 µg/m³ guideline and 0.0% meet or exceed 40 µg/m³.

WA14

Median annual mean NO₂
10.5 µg/m³
Postcode units above WHO 10 µg/m³
51.8%
Postcode units at or above legal 40 µg/m³
0.0%
DEFRA Pollution Climate Mapping annual-mean NO2 grid. 2024. Original download date not recorded.
How this was counted

Postcode district. DEFRA PCM 2024 1 km modelled annual-mean NO2 looked up at each Code-Point Open postcode centroid; postcode-unit weighted district summary.

M21

Median annual mean NO₂
13.7 µg/m³
Postcode units above WHO 10 µg/m³
100.0%
Postcode units at or above legal 40 µg/m³
0.0%
DEFRA Pollution Climate Mapping annual-mean NO2 grid. 2024. Original download date not recorded.
How this was counted

Postcode district. DEFRA PCM 2024 1 km modelled annual-mean NO2 looked up at each Code-Point Open postcode centroid; postcode-unit weighted district summary.

Transport access nodes

NaPTAN contains 148 active bus nodes and 15 rail, metro or tram nodes across WA14. Together, they describe the district-wide public-transport network.

NaPTAN contains 95 active bus nodes and 18 rail, metro or tram nodes across M21. Together, they describe the district-wide public-transport network.

WA14

Active bus access nodes
148
Active rail, metro or tram nodes
15
NaPTAN. 2026-08-02. Original download date not recorded.
How this was counted

Postcode district. active NaPTAN access node assigned to nearest Code-Point Open centroid.

M21

Active bus access nodes
95
Active rail, metro or tram nodes
18
NaPTAN. 2026-08-02. Original download date not recorded.
How this was counted

Postcode district. active NaPTAN access node assigned to nearest Code-Point Open centroid.

Broadband availability

The postcode-unit median maximum advertised download is 1,000 Mbit/s, with 100.0% full-fibre and 100.0% gigabit availability.

The postcode-unit median maximum advertised download is 1,000 Mbit/s, with 100.0% full-fibre and 100.0% gigabit availability.

WA14

Median maximum advertised download
1,000 Mbit/s
Median full-fibre availability
100.0%
Median gigabit availability
100.0%
Ofcom Connected Nations. 2025. Original download date not recorded.
How this was counted

Postcode district. median across postcode units.

M21

Median maximum advertised download
1,000 Mbit/s
Median full-fibre availability
100.0%
Median gigabit availability
100.0%
Ofcom Connected Nations. 2025. Original download date not recorded.
How this was counted

Postcode district. median across postcode units.

Road safety

DfT records 90 personal-injury collisions in 2022 to 24: 2 fatal, 24 serious and 64 slight.

DfT records 62 personal-injury collisions in 2022 to 24: 1 fatal, 11 serious and 50 slight.

WA14

Reported collisions, 2022–24 (raw count)
90
Fatal
2
Serious
24
Slight
64
DfT STATS19 Road Safety Data. 2022-2024 collision files. Original download date not recorded.
How this was counted

Postcode district. 2022–24 STATS19 collision assigned to nearest Code-Point Open centroid.

M21

Reported collisions, 2022–24 (raw count)
62
Fatal
1
Serious
11
Slight
50
DfT STATS19 Road Safety Data. 2022-2024 collision files. Original download date not recorded.
How this was counted

Postcode district. 2022–24 STATS19 collision assigned to nearest Code-Point Open centroid.

Sources and method

For an address-specific desk check, Property Diligence’s paid report adds the more detailed property-level information available from public sources.